308Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Surface Mount Fuse
Fast Acting
Raychem Circuit Protection Products
PRODUCT: 0402SFF Family
DOCUMENT: SCD 27592
REV LETTER: A
REV DATE: FEBRUARY 18, 2009
PAGE NO.: 1 OF 3
Specification Status: Released
Clear Time Characteristics Dimensions
A B C D
% of current
rating Clear time at 25°C MIN MAX MIN MAX MIN MAX MIN MAX
100% 4 hours min. mm: 0.90 1.10 0.41 0.61 0.15 0.35 0.41 0.61
250% 5 seconds max.
in: 0.035 0.043 0.016 0.024 0.006 0.014 0.016 0.024
400% 0.05 seconds max.
Part Number Current Rating (A) Voltage Rating (VDC) Nominal Cold DCR (Ω)*
0402SFF050F/24 0.5 24 0.380
0402SFF075F/24 0.75 24 0.210
0402SFF100F/24 1.0 24 0.120
0402SFF150F/24 1.5 24 0.056
0402SFF200F/24 2.0 24 0.035
0402SFF300F/24 3.0 24 0.021
0402SFF400F/24 4.0 24 0.014
* Measured at 10% of rated current and 25°C
Agency Recognition: UL E197536
Precedence: This specification takes precedence over documents referenced herein.
Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid.
Materials Information
ROHS Compliant ELV Compliant
© 2009 Tyco Electronics Corporation. All rights reserved.
Max Electrical Rating at 25°C
Max Voltage: 24VDC
Max Interrupt Current: 35A at Rated
Voltage
Termination Material: Silver, Nickel, Tin
Fuse Element: Silver
Body Material: Glass Ceramic
308Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Surface Mount Fuse
Fast Acting
Raychem Circuit Protection Products
PRODUCT: 0402SFF Family
DOCUMENT: SCD 27592
REV LETTER: A
REV DATE: FEBRUARY 18, 2009
PAGE NO.: 2 OF 3
Average Clear-Time Curves
0.0001
0.001
0.01
0.1
1
10
0.1 1 10 100
Clear-Time (s)
0.5
A
0.75
A
1.0
A
1.5
A
2.0
A
3.0
A
4.0
A
© 2009 Tyco Electronics Corporation. All rights reserved.
308Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Surface Mount Fuse
Fast Acting
Raychem Circuit Protection Products
PRODUCT: 0402SFF Family
DOCUMENT: SCD 27592
REV LETTER: A
REV DATE: FEBRUARY 18, 2009
PAGE NO.: 3 OF 3
Nominal I²t vs t Curves
0.0001
0.001
0.01
0.1
1
10
100
1000
0.0001 0.001 0.01 0.1 1 10
I2t (A2s)
4.0A
3.0A
2.0A
1.5A
1.0A
0.75A
0.5A
© 2009 Tyco Electronics Corporation. All rights reserved.
